From owner-freebsd-current@FreeBSD.ORG Tue Jul 31 19:32:04 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9A95016A41A for ; Tue, 31 Jul 2007 19:32:04 +0000 (UTC) (envelope-from illoai@gmail.com) Received: from fk-out-0910.google.com (fk-out-0910.google.com [209.85.128.189]) by mx1.freebsd.org (Postfix) with ESMTP id 03A7B13C45B for ; Tue, 31 Jul 2007 19:32:03 +0000 (UTC) (envelope-from illoai@gmail.com) Received: by fk-out-0910.google.com with SMTP id b27so571847fka for ; Tue, 31 Jul 2007 12:32:02 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=eEXi8U9pCYZooCzU8yVvtdjuL4sSWFlpBn39bCLRfq15lntNOxOnuZhRidx8t22A1IlKYPMiCwJO3ZEB10YhOfbJWXuCSfYB4qv0s7zmmdA/+bEGcHRmQ1gtSkUf9XHIdHPhAlF0u3dCXk3HVMaKKJbA7UP2pzn1XNRugwePmaE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ZOioRnTohcdY6ic5UBMMRf71Iv4oFI23EBwHg70kU5HF1810Rh4E36xb+mqK9HdFziWlPraaEgKr86tSKMYxhBvIYdWs0Ik9CnYDG+oTDJyYYnzNqGptI4+DgiC31d0CSM6QeJ7V/lHsWBJvg4BDaMdqR8Tk2YS+1KlHVHHcncM= Received: by 10.82.100.1 with SMTP id x1mr6125254bub.1185910322321; Tue, 31 Jul 2007 12:32:02 -0700 (PDT) Received: by 10.82.185.5 with HTTP; Tue, 31 Jul 2007 12:32:02 -0700 (PDT) Message-ID: Date: Tue, 31 Jul 2007 14:32:02 -0500 From: "illoai@gmail.com" To: "Gardner Bell" In-Reply-To: <172019.94794.qm@web88014.mail.re2.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <172019.94794.qm@web88014.mail.re2.yahoo.com> Cc: freebsd-current@freebsd.org Subject: Re: High interrupt count on irq12 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jul 2007 19:32:04 -0000 On 31/07/07, Gardner Bell wrote: > Since I installed -CURRENT, I've noticed irq12 has a rather high > interrupt count for only 29mins of uptime. Interrupt load appears to > be rather low at only 0.4% so I'm not sure what can be causing the high > count. Here is the output of vmstat. > > dan@home$ vmstat -i > interrupt total rate > irq1: atkbd0 3011 1 > irq12: psm0 121265 61 > irq14: ata0 58 0 > irq19: uhci1+ 5181 2 > irq20: fxp0 1377 0 > irq22: pcm0 11 0 > cpu0: timer 3812581 1923 > cpu1: timer 3812247 1923 > Total 7755731 3913 > > My kernel is pretty much GENERIC except for the removal of drivers that > I don't use/need, WITNESS, and INVARIANTS. That doesn't look teriffically high, unless you haven't touched your mouse at all. For example, uhci0 (i have a usb mouse) generated 323 interrupts with about a second and a half of mouse waving. -- --